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RoseWind [281]
3 years ago
13

Reactivity occurs when a substance reacts with another substance, changing it into a ____?

Chemistry
1 answer:
MakcuM [25]3 years ago
6 0

Answer:b

Explanation:

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In the balanced reaction and using the mole ratio:
NikAS [45]

12 moles are needed because stoichiometry is 1:2

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4 0
3 years ago
Please Help!!
dexar [7]

Mass of N₂ will be formed : 50.12 g

<h3>Further explanation</h3>

Reaction

2 NH₃(g) + 3 CuO(s) → N₂(g) + 3 Cu(s) + 3 H₂O(g)

moles NH₃ = 3.58

ratio mol NH₃ : mol N₂ = 2 : 1

so mol N₂ :

\tt \dfrac{1}{2}\times 3.58=1.79

mass N₂ (MW=28 g/mol) :

\tt 1.79\times 28=50.12~g

7 0
3 years ago
The product(s) of a heated reaction of N,N-ethylmethylpentanamide with sodium hydroxide would be __________. View Available Hint
nikitadnepr [17]

Answer:

sodium pentanoate and ethylmethylamine

Explanation:

The reaction of N,N-ethylmethylpentanamide with sodium hydroxide  involves an amide and an inorganic hydroxide.

The CO-N bond is highly polar hence the -N(C2H5) (CH3) moiety is easily lost and replaced by the -ONa leading to the formation of  sodium pentanoate.

The H^+ combines with -N(C2H5) (CH3) to yield ethylmethylamine

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3 years ago
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Julli [10]
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Write equations to show whether the solubility of either of the following is affected by pH:(b) Ca₃(PO₄)₂.
Vera_Pavlovna [14]

<u>The </u><u>pH </u><u>of the solution is also </u><u>increased.</u>

<u></u>

What is pH and its importance?

  • pH is an important quantity that reflects the chemical conditions of a solution.
  • The pH can control the availability of nutrients, biological functions, microbial activity, and the behavior of chemicals.
  • The pH is then calculated using the expression: pH = - log [H3O+].

  • The solubility of an ionic compound is affected by the hydronium ion concentration.
  • Addition of H₃O⁺ to the anion of a weak acid, increases the solubility of the ionic compound.

Therefore, the pH of the solution is also increased.

Learn more about pH

brainly.com/question/491373

#SPJ4

8 0
2 years ago
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